:root{color-scheme:light;--green-300:#5bb070;--green-400:#49a760;--green-500:#429656;--green-600:#3a864d;--green-700:#2c643a;--green-800:#255430;--c-page:#ededed;--c-surface:#ffffff;--c-text:#404040;--c-heading:#232323;--c-muted:#666666;--c-subtle:#979797;--c-border:#e1e1e1;--c-border-strong:#cccccc;--c-link:#166dd6;--c-link-hover:var(--green-400);--c-header-bg:#ffffff;--c-nav-bg:var(--green-700);--c-nav-bg-active:var(--green-800);--c-nav-text:#ffffff;--c-accent:var(--green-600);--c-accent-soft:#eef7f0;--c-code-bg:#f1f1f1;--c-focus:var(--green-400);--font-heading:"Domine", Georgia, "Times New Roman", serif;--font-body:"Roboto Serif", Georgia, "Times New Roman", serif;--font-mono:ui-monospace, Menlo, Consolas, "DejaVu Sans Mono", monospace;--fw-regular:400;--fw-semibold:600;--fw-bold:700;--fs-base:1.0625rem;--lh-base:1.75;--lh-heading:1.3;--fs-h1:1.94em;--fs-h2:1.78em;--fs-h3:1.62em;--fs-h4:1.46em;--fs-h5:1.3em;--fs-h6:1.15em;--fs-small:0.85em;--fs-xsmall:0.75em;--radius-sm:3px;--radius:4px;--radius-round:50%;--container:1320px;--measure:1040px;--gutter:1rem;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.5rem;--space-6:2rem;--space-7:3rem}:root[data-theme=dark]{color-scheme:dark;--c-page:#101412;--c-surface:#181e1a;--c-text:#dfe4e0;--c-heading:#f2f5f3;--c-muted:#a9b3ac;--c-subtle:#7d8881;--c-border:#2b342e;--c-border-strong:#3c4740;--c-link:#7ab4ff;--c-link-hover:var(--green-300);--c-header-bg:#181e1a;--c-nav-bg:#1f3a27;--c-nav-bg-active:var(--green-700);--c-accent:var(--green-300);--c-accent-soft:#1d2b21;--c-code-bg:#232a25}@font-face{font-family:domine;font-style:normal;font-weight:400 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sans-serif;--font-heading:var(--font-body);--lh-base:1.9}:lang(zh){--font-body:"PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;--font-heading:var(--font-body)}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0;background:var(--c-page);color:var(--c-text);font-family:var(--font-body);font-size:var(--fs-base);line-height:var(--lh-base);font-weight:var(--fw-regular)}img{max-width:100%;height:auto}a{color:var(--c-link);text-decoration-thickness:1px;text-underline-offset:.15em}a:hover{color:var(--c-link-hover)}:focus-visible{outline:2px solid var(--c-focus);outline-offset:2px}strong,b{font-weight:var(--fw-semibold)}.wrap{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:var(--gutter)}.skip-link{position:absolute;inset-inline-start:var(--space-2);inset-block-start:-10rem;z-index:10;padding:var(--space-2)var(--space-4);background:var(--c-surface);color:var(--c-link);border-radius:var(--radius)}.skip-link:focus{inset-block-start:var(--space-2)}.site-header{background:var(--c-header-bg);border-block-end:1px solid var(--c-border)}.header-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding-block:var(--space-3)}.brand{display:flex;align-items:center;gap:var(--space-3);min-width:0;color:inherit;text-decoration:none}.brand:hover{color:inherit}.brand 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